Answer:
positive feedback
Explanation:Because when you get motion that means its positive but if doesn't feel motion than that is negative.
Amoebozoans are now considered to be in the eukarya supergroup along with animals, after DNA analysis.
Acetylcholine..
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Answer:
sunlight entering the water may travel about 1,000 meters (3,280 feet) into the ocean under the right conditions, but there is rarely any significant light beyond 200 meters (656 feet). The ocean is divided into three zones based on depth and light level. The upper 200 meters (656 feet) of the ocean is called the euphotic, or "sunlight," zone.
Explanation:
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